Nightmare can be a sign of Parkinson's disease

Horror dreams at night are one of the first signs of Parkinson's disease, according to scientists. People who cry or cry during sleep can get this disease a few years later.

Experts have found that people with ' REM sleep disorders ' - including nightmares and sudden movements during sleep - often have Parkinson's disease and other dementia.

REM or rapid eye movement is a dream stage. Those who sleep normally, their eyes lie dormant during this period because the brain has ceased to allow the body to rest completely. But this does not happen to people with REM disorders who often have nightmares.

Scientists in Barcelona have discovered that people with more than 60 dreams will have Parkinson's disease and a number of other conditions related to memory loss.

The study, published in the journal Lancet Neurology, suggests that sleep disorders may be one of the first signs of brain diseases . This may help the doctor diagnose the disease earlier and the patient will be treated sooner.

The team is led by Dr Alex Iranzo, Neurology, Barcelona Medical Center. The study followed 43 patients over the age of 60 and developed REM sleep disorder. They found that 30% of cases of neurological disorders after diagnosis were diagnosed with sleep problems 2-2.5 years and mostly Parkinson's disease.

People with Parkinson's disease do not have enough dopamine compounds because some nerve cells in their brains are dead. Without dopamine, brain activity slows down and memory fades.